import React, { Component } from 'react'
import {Link,Route } from "react-router-dom";
import About from './components/About';
import Home from './components/Home';

export default class App extends Component {
  render() {
    return (
      <div>
        <div className="row">
          <div className="col-xs-offset-2 col-xs-8">
            <div className="page-header"><h2>React Router Demo</h2></div>
          </div>
        </div>
        <div className="row">
          <div className="col-xs-2 col-xs-offset-2">
            <div className="list-group">
              {/* 原生html中,使用a标签跳转到不同的html页面 */}
              {/* <a className="list-group-item" href="./about.html">About</a>
              <a className="list-group-item active" href="./home.html">Home</a> */}

              {/*  
                  1.在React中靠路由链接切换组件(编写路由链接)
                    1.BrowserRouter:类似于vue路由中的history模式 /xxx
                          http://localhost:3000/about
                          http://localhost:3000/home

                          
                    2.HashRouter:类似于vue路由中的hash模式 #/xxx   
                          http://localhost:3000/#/about
                          http://localhost:3000/#/home
              */}
                <Link className="list-group-item" to="/about">About</Link>
                <Link className="list-group-item" to="/home">Home</Link>
            </div>
          </div>
          <div className="col-xs-6">
            <div className="panel">
              <div className="panel-body">
                {/* 2.注册路由 */}
                  <Route path='/about' component={About}/>
                  <Route path='/home' component={Home}/>
              </div>
            </div>
          </div>
        </div>
      </div>
    )
  }
}
